Orthopedic External Fixation Schanz Screws | Cortical Thread | Ø3.5–5.0 MM | Cat. No. AMS 604.001
Schanz Screws Cortical Thread are Orthopedic External Fixation Screws designed with a Cortical Thread to provide Bone Anchorage within cortical bone and connect the Bone Segment to the External Fixator Construct. They are available in diameters ranging from 3.5 to 5.0 mm, providing multiple options according to the fixation site and clinical requirements.
- Cortical Thread Design intended to provide Thread Engagement within Cortical Bone in compatible External Fixation applications.
- Available in four diameters: 3.5, 4.0, 4.5, and 5.0 mm.
- Functions as a Bone-to-Fixator Interface between the bone and the components of the External Fixation Frame.
- Each diameter has an individual Cat. No. and GTIN No. to facilitate Product Identification, Traceability, and Inventory Management.
Schanz Screws Cortical Thread are essential components used within Orthopedic External Fixation systems, where they function as Bone Anchoring Elements connecting the Bone Segment to External Fixator components such as compatible Clamps, Connecting Rods, and Fixation Frames.
This product range features Cortical Thread Geometry in the Bone Engagement section, a configuration intended for mechanical interaction with Cortical Bone according to the approved surgical technique. The threaded section is inserted into the bone, while the external shaft remains available for connection to the External Fixator components and construction of the final Fixation Construct.
The range is available in four progressive diameters: 3.5 mm, 4.0 mm, 4.5 mm, and 5.0 mm, allowing the surgeon to select from multiple Screw Diameters according to Bone Anatomy, Fixation Site, Bone Segment, Screw Trajectory, and the requirements of the External Fixation System.
The product family is listed under the general reference Cat. No.: AMS 604.001. Each diameter has an individual product code and GTIN Number, supporting accurate Product Identification as well as Procurement, Traceability, Inventory Management, and Stock Control.
Product Description
A Schanz Screw is an Orthopedic Bone Screw / Pin used as one of the primary fixation elements within External Skeletal Fixation systems.
Its function within the Fixation Construct can be represented as follows:
Bone → Schanz Screw → Fixator Clamp → Connecting Rod / External Frame
In this product family, the Bone Engagement section features a Cortical Thread, distinguishing it from Schanz Pins or Screws with other Thread Configurations.
The range is available in:
Ø3.5 mm | Ø4.0 mm | Ø4.5 mm | Ø5.0 mm
Product Components and Design
- Schanz Screw Body
The main longitudinal body of the screw, providing the connection between the Bone Anchorage region and the components of the External Fixator.
- Cortical Threaded Section
The threaded section designed to provide Mechanical Thread Engagement within Cortical Bone.
Detailed specifications such as Thread Pitch, Thread Length, and Core Diameter are not provided in the supplied table.
- Smooth Shaft
The non-threaded section extending outside the bone and used for connection with the External Fixator Clamp or compatible Connecting Component.
- Distal Tip
The distal end used during insertion of the screw into the prepared bone trajectory according to the Surgical Technique.
The exact tip type, such as Trocar or Self-Drilling, is not specified in the currently available product data.
- External Fixator Interface
The section secured within the Clamp or Connecting Element to form part of the External Fixation Frame.
Product Use
Schanz Screws Cortical Thread are used within Orthopedic External Fixation systems to provide Bone Anchorage points and connect bone segments to the Fixator Construct.
Depending on the approved indications of the system, they may be used in applications such as:
- External Fracture Fixation
- Temporary Skeletal Stabilization
- Definitive External Fixation when approved within the system indications
- Bone Segment Stabilization
- Orthopedic Reconstruction using External Fixators
- Construction of Modular External Fixation Frames
Selection of the appropriate diameter depends on factors including:
- Cortical Bone Dimensions
- Bone Anatomy
- Bone Quality
- Fixation Site
- Bone Segment
- Screw Trajectory
- Clamp Compatibility
- External Fixator Configuration
- Preoperative Planning
- Intraoperative Assessment
The Schanz Screw should be selected and used by a Qualified Orthopedic Surgeon in accordance with the applicable IFU and Surgical Technique of the system.
Key Benefits
Cortical Thread Engagement
The design incorporates Cortical Thread Geometry intended for mechanical interaction with Cortical Bone.
Multiple Diameter Options
The range is available in four diameters:
3.5 / 4.0 / 4.5 / 5.0 mm
providing the surgical team with multiple options during Screw Selection.
Bone-to-Fixator Connection
The Schanz Screw acts as a primary connecting element between the Bone Segment and the External Fixation Frame.
External Fixator Integration
Designed for use with compatible system components such as:
- Fixator Clamps
- Connecting Rods
- Frame Components
Progressive Diameter Range
The diameter range starts at 3.5 mm and extends to 5.0 mm, with 0.5 mm increments between the listed sizes.
Product Traceability
Individual Cat. No. and GTIN numbers for each diameter support:
- Product Identification
- Traceability
- Procurement
- Inventory Management
- Stock Control
Technical Specifications
| Diameter | Cat. No. | GTIN No. |
| 3.5 mm | AMS 604.001.035 | 6221361016958 |
| 4.0 mm | AMS 604.001.040 | 6221361016965 |
| 4.5 mm | AMS 604.001.045 | 6221361016972 |
| 5.0 mm | AMS 604.001.050 | 6221361016989 |
Technical Overview
Product Name: Schanz Screws Cortical Thread
Product Type: Schanz Screw / External Fixation Bone Screw
Product Category: Orthopedic External Fixation
Thread Type: Cortical Thread
General Cat. No.: AMS 604.001
Available Diameters: 3.5 / 4.0 / 4.5 / 5.0 mm
Diameter Range: 3.5–5.0 mm
Diameter Increment: 0.5 mm
Number of Configurations: 4
Primary Function: Bone Anchorage
System Interface: Compatible External Fixator Components
Identification: Individual Cat. No. & GTIN No. for each diameter
Product Features
- Schanz Screw with Cortical Thread Design.
- Intended for compatible Orthopedic External Fixation systems.
- Provides Bone Anchorage within Cortical Bone.
- Functions as a Bone-to-Fixator Interface.
- Available in 4 Diameter Configurations.
- Diameter range from 3.5 to 5.0 mm.
- Progressive sizing in 0.5 mm increments.
- Provides multiple options during Intraoperative Screw Selection.
- Supports Preoperative Fixation Planning.
- Designed for use with compatible Fixator Clamps and Connecting Components.
- Supports construction of an External Fixation Construct according to the system design.
- Individual Cat. No. for each diameter.
- Individual GTIN Number for each configuration.
- Supports Product Traceability.
- Facilitates Procurement, Inventory Management, and Stock Control.
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